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Matches 301 - 350 out of 921

Document Document Title
WO/2005/066350A1
This invention relates to a biological process for the preparation of shape and polymorph controlled mineral crystals by simple growth of roots from various seeds to a suitable aqueous metal ion.  
WO/2005/056842A1
A bacterial culture for use in the bacterial oxidation of sulphide ores and concentrates, the bacterial culture identified by AGAL deposit Accession No. NM99/07541 or having been adapted therefrom, the bacterial culture further containin...  
WO/2005/056809A1
Hydrogen-producing bacteria are sealed in a favourable environment comprising coal, methane and water at temperatures of approximately 20 to 40°C. As the bacteria produce hydrogen, the hydrogen is periodically removed from the reaction ...  
WO/2005/044994A2
The invention relates to thermal and pH stable catalases. One catalase of the invention was purified and characterized from Thermus brockianus. As a part of the characterization, the enzyme was compared to typical catalases from commerci...  
WO/2005/045020A2
The invention relates to the use of recombinant or silicatein $g(b) isolated from natural sources, and silicatein $g(b) fusion proteins as well as silicatein $g(b)-related enzymes for the synthesis, decomposition and modification of sili...  
WO/2005/044742A1
The invention provides a process for the treatment of sulphur-containing salts by converting, e.g. in the case of treatment of sulphate, the sulphur-containing salt to a sulphide salt solution, and biologically oxidising the sulphide sal...  
WO/2005/042694A2
A method of using sequential chemostat culture vessels to provide continuous H2 production, in which photosynthestic O2 evolution and H2 photoproduction are separated physically into two separate bioreactors, comprising: a) growing a mic...  
WO/2005/014805A1
The present invention provides composite biological devices that include biological material as an integral component thereof. The devices can be used for producing hydrogen gas, for example.  
WO/2005/003024A1
A process for the production of hydrogen, comprising the steps of: (i) providing a photosynthetic microorganism having electron transfer capability through a photosynthetic 'light' reaction pathway and through a respiratory electron tran...  
WO/2005/001104A1
The invention relates to a method and installation for protecting the climate by the maximized net production of oxygen with the simultaneous reduction of carbon dioxide by using environmentally damaging industrial and agricultural waste...  
WO/2004/087799A1
Process for surface activation and/or devulcanisation of sulphur-vulcanised rubber particles. In order to break the sulphur bridges and to reduce the sulphur, the rubber particles are treated in a biotechnological manner in a medium with...  
WO/2004/079023A1
The present invention relates to a method of bioleaching mineral sulphides at high temperatures and extremely low pH. In particular, the invention relates to a method which employs a microorganism of the genus Acidianus which is a thermo...  
WO/2004/074495A1
It is intended to obtain aerobic microbial cells in an amount sufficient for a reaction of evolving hydrogen, impart a hydrogen-evolving function to an aerobic microorganism within a short time and provide an industrially advantageous me...  
WO/2004/067755A2
A process for producing methane and/or high purity hydrogen from anaerobically decomposed organic materials as well as a methane and/or high purity hydrogen generation system that operates in accordance with this process, are provided. T...  
WO/2004/046367A1
Methane can be used as a source for producing hydrogen or hydrogen equivalents in a biological process using mesophilic or thermophilic bacteria of the order of the Thermotogales, e.g. Thermotoga maritima. Hydrogen can be produced as suc...  
WO/2004/033679A1
Silicase is an enzyme which can cause amorphous and crystalline silicon dioxide to dissolve, forming free silicic acid. The invention relates to the use of recombinant silicase or silicase isolated from natural sources, and to the use of...  
WO/2004/026772A2
Described herein are novel ammonia-oxidizing bacteria as well as isolated nucleotide sequences representative of 16S rDNA of these ammonia-oxidizing bacteria. Particular bacteria of the present invention are tolerant of freshwater enviro...  
WO2002097076A9
The invention relates to a method for the enzymatic production of a curing agent in its fluid state, e.g. liquid, comprising, in free phase, at least one oxygenated chemical species. Said method consists in bringing into contact at least...  
WO/2004/013338A1
The present invention relates generally to a method of manufacturing sulfuric acid from elemental sulfur-bearing materials using biological oxidation processes and optimizing such processes by controlling temperature, aeration, and the b...  
WO/2004/013337A1
A sulfuric acid production vessel is provided that oxidatively processes elemental sulfur or elemental sulfur-bearing materials to produce sulfuric acid. The vessel maximizes sulfuric acid production from elemental sulfur-bearing materia...  
WO/2004/011659A1
A method of producing hydrogen which comprises a series of steps involving the step of obtaining a metabolic source for producing hydrogen by a microalga having a photosynthesis ability and the step of producing hydrogen by a bacterium h...  
WO/2004/007737A2
The invention relates to a method for improving the production yield of precipitated calcium carbonate (PCC). The improvement resides in the use of an enzymatic bioreactor that supplies HCO3 into the reaction enabling to produce PCC with...  
WO/2004/003210A2
Methods for preparative in vitro biocatalysis utilizing oxidoreductases. These methods are based on novel approaches to supply the oxidoreductases with reduction equivalents derived either from chemical or electrochemical sources. By uti...  
WO/2003/099465A1
Methods for forming repeat protein polymers and utilizing the repeat protein polymers to form inorganic structures are provided. The inorganic structures may have features on the nanoscale, and the structures generally do not have the re...  
WO/2003/067213A2
Sustained hydrogen production is obtained by the culturing of a genetically modified algae, where the ability of the chloroplasts to intake sulfate is reduced or eliminated compared to wild-type algae (Figure 6). The genetically modified...  
WO/2003/054205A2
Processes for making siloxanes, more particularly biosynthetic processes for making cyclic siloxanes are provided by the present invention.  
WO/2003/052112A1
Hydrogen bacteria and methane bacteria both inhabit in organic wastes and wastewater. In case of using such an organic waste or wastewater containing these bacteria as a substrate in culture, hydrogen produced by the hydrogen bacteria is...  
WO/2003/033159A1
Magnetic particles which comprise a particulate magnetic material and, formed on the surface thereof, an readily decomposable or readily soluble polymer coating layer containing a reactive component&semi and a method for producing a reac...  
WO2002040746A9
The present invention provides bacteria which form a protective biofilm that prevent and/or reduce corrosion of metal surfaces. The present invention also provides bacteria, which form a protective biofilm on metals that secrete polyanio...  
WO/2002/092755A1
An apparatus for generating O¿2? and removing CO¿2? includes a photosynthesis microorganism nd a cultural medium for the microorganism, a container for receiving the photosynthesis microorganism and the cultural medium, the container b...  
WO/2002/079483A1
A process for producing a ferryhydrite humus complex which comprises: the mineral-addition/fermentation step of composting a mixture of organic compounds through fermentation while maintaining pH value within a first range and, at the sa...  
WO/2002/070671A1
A new species of acidophilic microorganism has been isolated from an acid mine drainage site. The organism is an archaea here given the tentative species designation Ferroplasma acidarmanus and the strain designation fer1. This organism ...  
WO/2002/070757A1
A method for the bacterially assisted heap leaching of chalcopyrite, the method characterised by the steps of: providing a chalcopyrite containing ore heap to oxidise sulphide minerals therein, the heap containing and/or being inoculated...  
WO2001090312A9
Ammonia oxidizing bacteria, oligonucleotide probes and PCR primers for the detection of ammonia-oxidizing bacteria, and uses thereof for preventing or alleviating the accumulation of ammonia in aqueous environments.  
WO/2002/029007A2
The invention concerns isolated autotrophic aerobic bacteria capable of oxidising As(III) into As(V) using CO¿2? as only carbon source and As(III) as only energy source. The invention also concerns a use of said bacteria in treating med...  
WO/2002/013982A1
A method of enhancing health through the generation in close proximity of a surface of a subject, nitric oxide and nitric oxide precursors using bacteria adapted to oxidize ammonia and urea derived from perspiration is described. Local a...  
WO/2002/010420A2
Silicatein is an enzyme from silicate-producing organisms for the synthesis of the silica skeleton thereof. The invention relates to the use of well-expressed and highly-active silicatein from natural source silicatein, isolated after ge...  
WO/2002/006503A2
A method for producing hydrogen gas is provided comprising selecting a bacteria from the Order Thermotogales, subjecting the bacteria to a feedstock and to a suitable growth environment having an oxygen concentration below the oxygen con...  
WO/2001/092471A1
The heavy metal-binding bacteria is a bacterium adapted to the soil and having naturally or genetically engineered resistance to heavy metals. Said bacteria have been modified to express on their surface at least one protein or a peptide...  
WO/2001/079463A2
The present invention relates to isolated nucleic acid sequences encoding polypeptides having more than 50 % residual haloperoxidase activity after 15 minutes incubation at 70 degrees centrigrade and pH7. The invention also relates to nu...  
WO/2001/078913A1
An apparatus (figure 1), and a process for the biological production of sulfuric acid are provided. The invention utilizes a pile containing a sulfur material, an acidophilic microbe and, preferably, a packing material. The pile is aerat...  
WO/2001/079460A2
The present invention relates to isolated polypeptides having haloperoxidase activity more than 50 % residual activity, after 15 minutes incubation at 70 °C an pH7. The invention also relates to methods for producing and using the polyp...  
WO/2001/070934A1
A yeast which is tolerant to copper and capable of incorporating copper at a high concentration into the cells; and a method of eliminating or recovering copper from an external liquid. Namely, a copper-tolerant yeast and pectinase produ...  
WO/2001/057231A1
Vitamin B¿12? is efficiently produced at a large content and a high yield by acclimatizing a mesophilic methane bacterium obtained from digested sludge in an H¿2?/CO¿2? medium; growing the thus acclimatized methane bacterium on a supp...  
WO/2001/056938A1
Anaerobically decomposed organic materials such as landfill material or sewage sludge are treated by passage of an electric current therethrough in order to enhance production of hydrogen, suppress formation of methane and decrease the t...  
WO/2001/002595A1
In the production of hydrogen with the use of microorganisms, the production of hydrogen by culturing a microalga under light and aerobic conditions and/or the production of hydrogen with the use of a photosynthetic bacterium under light...  
WO/2000/055347A1
In a first purification stage (1) hydrogen sulfide contained in the raw gas is separated by microbial oxidation into water and sulfur. In a second (17) and third (32) purification stage the methane contained in the desulphurized raw gas ...  
WO/2000/050341A1
The process of the present invention is a sulfide or sulfur bio-oxidization process (14) in which the sulfuric acid is recovered from a bio-oxidation solution (30) through filtration. The bio-oxidation solution is base metal impurity cle...  
WO/2000/029605A1
A process was found for the conversion of elemental sulphur to hydrogen sulphide under ambient temperature and pressure. The biological hydrogen sulphide production process described is less expensive than both the chemical production of...  
WO/2000/023607A1
The invention concerns a method for producing natural or artificial biomineral substances and/or structures, for medical, paramedical, therapeutic, phytotherapeutic, bioelectronic use, and/or in mineralotherapy. Said method consists in p...  

Matches 301 - 350 out of 921